generated: '2026-07-22' method: searched source: openapi/dtn-financial-market-data-openapi.json (servers[] published by DTN) notes: >- DTN publishes a non-production test environment for the Market Data (Prophet X) API directly in its OpenAPI servers list. No magic test values, test cards, or time-simulation tooling are published; weather APIs expose no separate sandbox host — trial access is arranged through the DTN Developer Portal. environments: - name: Customer Acceptance Testing (CAT) url: https://pxwebcat.dtn.com api: DTN Market Data API purpose: Integration testing against production-like data before go-live - name: QA Testing (PRE) url: https://prx-ws-pre.dtn.com api: DTN Market Data API purpose: Pre-release QA environment (published in the spec; customer access may be restricted) - name: Development (DEV) url: https://prx-app1-dev.dtn.com api: DTN Market Data API purpose: Development environment (published in the spec; customer access may be restricted) test_credentials: none-published test_values: none-published